- Fixed a segmenetation fault for `Number('1/0')`
- Fixed a segmenetation fault for `Number('1/0')`

In special cases, where a fraction has a denominator of zero, two objects are now created individually from the numerator and the denominator, making the division afterwards (possible, symbolically), as Math::GMPq does not have support for infinity and it simply fails with a segmentation fault.

trizen/sidef,trizen/sidef,trizen/sidef,trizen/sidef